Api/Netina.Infrastructure/Services/Scrapers/DigikalaScraper.cs

using MediatR;
using Microsoft.EntityFrameworkCore;
using Microsoft.IdentityModel.Tokens;
using Netina.Domain.CommandQueries.Commands;
using Netina.Domain.Dtos.ScraperDtos.Response;
using Netina.Domain.Dtos.SmallDtos;
using Netina.Domain.Entities.Brands;
using Netina.Domain.Entities.ProductCategories;
using Netina.Repository.Repositories.Base.Contracts;

namespace Netina.Infrastructure.Services.Scrapers;

public class DigikalaScraper : IDigikalaScraper
{
    private readonly IRestApiWrapper _apiWrapper;
    private readonly IRepositoryWrapper _repositoryWrapper;
    private readonly IMediator _mediator;
    private readonly IUploadFileService _uploadFileService;

    public DigikalaScraper(IRestApiWrapper apiWrapper, IRepositoryWrapper repositoryWrapper, IMediator mediator, IUploadFileService uploadFileService)
    {
        _apiWrapper = apiWrapper;
        _repositoryWrapper = repositoryWrapper;
        _mediator = mediator;
        _uploadFileService = uploadFileService;
    }
    public async Task<List<ScraperProductDto>> GetProductsByNameAsync(string productName)
    {
        var products = await _apiWrapper.DigikalaRestApi.SearchProductAsync(productName);
        return products.data.products.Select(s => new ScraperProductDto
        {
            PersianName = s.title_fa,
            EnglishName = s.title_en,
            MainImage = s.images.main.url.First(),
            //Cost = long.TryParse(s.default_variant.price.rrp_price,out long result) ? result : 0,
            ScraperId = s.id.ToString(),
            ScraperUrl = $"https://digikala.com/{s.url.uri}"
        }).ToList();
    }

    public async Task<bool> AddProductToShopAsync(string productId, string productName, CancellationToken cancellationToken = default)
    {
        var response = await _apiWrapper.DigikalaRestApi.GetProductAsync(productId);
        var digiProduct = response.data;
        var newSummery = digiProduct.seo.description.Replace("فروشگاه اینترنتی دیجی\u200cکالا", "فروشگاه اینترنتی وسمه");

        var specifications = new List<SpecificationSDto>();
        foreach (var specification in digiProduct.product.specifications)
        {
            foreach (var attribute in specification.attributes)
            {
                specifications.Add(new SpecificationSDto { Value = string.Join(",", attribute.values), Title = attribute.title });
            }
        }

        using var httClient = new HttpClient();
        var imageBytes = await httClient.GetByteArrayAsync(digiProduct.product.images.main.url.FirstOrDefault(), cancellationToken);
        var imageBase64 = Convert.ToBase64String(imageBytes);
        var uploadFile = new FileUploadRequest
        {
            StringBaseFile = imageBase64,
            FileName = digiProduct.product.title_fa.Replace(" ", "_") + ".jpg",
            FileUploadType = FileUploadType.Image,
            ContentType = "image/jpeg"
        };
        var uploadResponse = await _uploadFileService.UploadImageAsync(uploadFile);
        var files = new List<StorageFileSDto>
        {
            new StorageFileSDto
            {
                FileLocation = uploadResponse.FileLocation,
                FileName = uploadResponse.FileName,
                IsPrimary = true,
            }
        };
        var nonBrand = await _repositoryWrapper.SetRepository<Brand>()
            .TableNoTracking
            .FirstOrDefaultAsync(b => b.PersianName == "بدون برند", cancellationToken);
        if (nonBrand == null)
        {
            nonBrand = Brand.Create("بدون برند" , "NoBrand","محصولات بدون برند",false,string.Empty);
            _repositoryWrapper.SetRepository<Brand>()
                .Add(nonBrand);
            await _repositoryWrapper.SaveChangesAsync(cancellationToken);
        }

        var nonCat = await _repositoryWrapper.SetRepository<ProductCategory>()
            .TableNoTracking
            .FirstOrDefaultAsync(b => b.Name == "دسته بندی نشده", cancellationToken);
        if (nonCat == null)
        {
            nonCat = ProductCategory.Create("دسته بندی نشده", "محصولات بدون دسته بندی", false);
            _repositoryWrapper.SetRepository<ProductCategory>()
                .Add(nonCat);
            await _repositoryWrapper.SaveChangesAsync(cancellationToken);
        }

        if (digiProduct.product.title_en.IsNullOrEmpty())
            digiProduct.product.title_en = digiProduct.product.title_fa;

        var request = new CreateProductCommand(digiProduct.product.title_fa, digiProduct.product.title_en,
            newSummery,
            string.Empty, string.Empty, string.Empty, true, 0,
            0, 0, false
            , 5, false, nonBrand.Id, nonCat.Id, new DiscountSDto(), specifications, files,new Dictionary<string, string>(),new Dictionary<string, string>());
        await _mediator.Send(request, cancellationToken);

        return true;
    }
}